1948 - ELSIE (Electro-mechanical robot, Light Sensitive with Internal and External stability ) - W. Grey Walter - cyberneticzoo.com
Robots - How We've Built Them Over The Years | Servo Magazine
Alan Winfield's Web Log: Robotics: a very short introduction
Meet the Roomba's Ancestor: The Cybernetic Tortoise - IEEE Spectrum
What is a Mobile Robots? - theteche.com
Artificial Intelligence in Medicine | Momentaj Inc
2008: Grey Walter and his tortoises | News and features | University of Bristol
A brief history of robotics and AI
Grey Walter' s `personal' tortoise from the 1951 batch, now on display... | Download Scientific Diagram
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
Elmer & Elsie: 1940 – EHL.AI Point
ELSIE-Time-Life1950 | Elsie, Elmer, Archive
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
100 Years of Robots: How Technology – And Our Lives – Have Changed | 24/7 Tempo | Page 3
A short history of robotics
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
Elmer and Elsie (robots) - Wikipedia
The History of Robotics - Razor Robotics
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
HISTORY of ROBOTICS
CABINET / The Emergence of Social Inequality among Robots
M. speculatrix - a new species of animal - ELMER - cyberneticzoo.com
Grey Walter Constructs the First Electronic Autonomous Robots; the Origin of Social Robotics : History of Information
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
